As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#423, JFK-LAX. (ETOPS) 'ENG2 VIBE WOULD RAPIDLY INCREASE FROM .2 TO 5.2 WHEN CLIMB THRUST WAS COMD WOULD RETURN TO .2 WHEN LEVELING OFF AND N1 WENT BELOW 90% ENG1 CONDITIONS WERE NORMAL ( ECAM IND-LOWER DISPLAY N2 VIBRATION ); REF TO AMM FIG 71-00-00-991-01500-21-A VIB WITH IN LIMITS. NO FURTHER ACTION REQ. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.